{"id":10481,"date":"2022-09-19T06:40:14","date_gmt":"2022-09-19T06:40:14","guid":{"rendered":"https:\/\/www.szlaser.com\/?page_id=10481"},"modified":"2022-09-19T06:53:20","modified_gmt":"2022-09-19T06:53:20","slug":"assembled-optical-elements","status":"publish","type":"page","link":"https:\/\/www.szlaser.com\/index.php\/wiki\/assembled-optical-elements\/","title":{"rendered":"Cleaning and handling assembled optical elements"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1331.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\"><h1 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.3;\"><h1>Cleaning and handling assembled optical elements<\/h1><\/h1><\/div><div class=\"fusion-text fusion-text-1\"><p>Optical assembly includes mechanical and sometimes electronic elements. In the latter case, electrostatic discharge (ESD) means should be considered to protect the electronic devices. Visual inspection to assess the completeness (without causing mechanical damage) of the assembly should also be conducted. During the cleaning process, special care must be taken regarding how the lens is connected to its housing\u2014with a fastening nut or with room-temperature vulcanizing (RTV) silicon (a type of silicone rubber made\u00a0for a two-component system):<\/p>\n<ul>\n<li>If the lens connected to its housing with a fastening nut, special care should be taken when cleaning the lens to not let the cleaning solvent penetrate the screw thread of the fastening nut. Clean with as little solvent as possible.<\/li>\n<li>If the lens is connected with RTV silicon, do not use cleaning solvents that might dissolve the RTV. Use isopropyl alcohol or ethyl alcohol (ethanol), not acetone.<br \/>\nThis treatment applies to new and used assemblies<\/li>\n<\/ul>\n<p>Elements that undergo maintenance are used elements; the cleaning\u00a0procedures are the same as those for cleaning new elements with an emphasis on three issues that refer specially to outer elements (lenses, windows, domes):<\/p>\n<ul>\n<li>The coating may be damaged or weakened due to environmental\u00a0exposure and\/or improper handling, and might peel during cleaning.<\/li>\n<li>Different kinds of dirt and stains may be attached to the surfaces in such a way that conventional cleaning procedures will hardly affect them.<br \/>\nThis situation requires patience and repeated cleaning with different\u00a0cleaning solutions.<\/li>\n<li>Damage, such as scratches, digs, and cracks, should be treated according to the existing organizational procedures (measuring, reporting, decision making, and implementation)<\/li>\n<\/ul>\n<\/div><div style=\"text-align:right;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.szlaser.com\/index.php\/wiki\/cleaning-and-handling-optics\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Guidelines of Cleaning And Handling Optics &gt;<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":0,"parent":8230,"menu_order":108,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-10481","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.7 (Yoast SEO v25.8) - 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